Boston June 18, 2024 7:29 pm Weather forecast: More heat ahead Tuesday night: Warm and muggy. Partly cloudy. Low: 71. Wednesday: First Alert. Hot and humid. Partly cloudy. High: 95. Thursday: First Alert. Sunny. Hot. Afternoon shower. High: 99. US & World Videos 4:02 Clear Sunday before overnight drizzle in New England 4:27 Clear Sunday before possible rain on Monday 4:07 Forecast: Wild temperature swings continue 3:16 Forecast: Chilly weather to continue through the weekend 3:37 Forecast: More cold air, with snow in the forecast?